New MCQs
- Which of the following statements about oligosaccharides
is correct?
(a) Raffinose is an example of tetrasaccharides.
(b) The smallest oligosaccharides are disaccharides.
(c) Trehalose is formed by condensation of one molecule
each of glucose and fructose.
(d) In sucrose, fructose occurs in hexagon form while
glucose is in pentagon form. - Heteropolysaccharides are A carbohydrates which are
formed by B of two or more types of C.
A B C
(a) simple polymerisation oligosaccharides
(b) compound condensation oligosaccharides
(c) complex condensation monosaccharides
(d) complex polymerisation monosaccharides - A saturated fatty acid is with
(a) no double bond (b) high melting point
(c) low melting point (d) both (a) and (b). - Match the column I with column II and select the correct
option.
Column I Column II
A. Sugar alcohol (i) Fructan
B. Glucose (ii) Animal starch
C. Glycogen (iii) Animal cellulose
D. Inulin (iv) Mannitol
E. Tunicin (v) Grape sugar
(a) A-(iii), B-(i), C-(v), D-(ii), E-(iv)
(b) A-(v), B-(ii), C-(iv), D-(iii), E-(i)
(c) A-(ii), B-(iv), C-(v), D-(i), E-(iii)
(d) A-(iv), B-(v), C-(ii), D-(i), E-(iii) - Bacteria causing tuberculosis and leprosy produce a wax
called
(a) lanolin (b) wax-D
(c) paraffin (d) both (a) and (b). - Identify the given amino acids and select the correct
option.
A B C
(a) Glycine Serine Alanine
(b) Serine Glutamate Alanine
(c) Alanine Glutamate Serine
(d) Glycine Serine Glutamate- Select the correct pair.
(a) Acidic amino acid - Arginine
(b) Basic amino acid - Phenylalanine
(c) Alcoholic amino acid - Threonine
(d) Neutral amino acid - Cysteine - Which one of the following is not an essential amino acid?
(a) Valine (b) Proline
(c) Tryptophan (d) Methionine - What is the position of nitrogen atoms in pyrimidine?
(a) 1, 3, 7 and 9 (b) 1, 3 and 7
(c) 1, 7 and 9 (d) 1 and 3 - Albumins, globulins, prolamines and glutelins are types of
(a) storage proteins
(b) enzymatic proteins
(c) protoplasmic proteins
(d) globular proteins. - Who is known as the father of ATP cycle?
(a) Karl Lohmann (b) Fritz Lipmann
(c) Berzelius (d) J. Parnas - Which of the following is not an example of sweet
protein?
(a) Ferritin (b) Monellin
(c) Thaumitin (d) Brazzein - Which of the following is an example of polysaccharides?
(a) Sucrose (b) Maltose
(c) Raffinose (d) Cellulose - β-alanine helps in the formation of
(a) essential amino acid
(b) coenzyme A and pantothenic acid
(c) pantothenic acid and β-keratin
(d) coenzyme A and β-keratin. - Select the correct statement regarding nucleic acids.
(a) These are long chain micromolecules formed by
polymerisation of nucleotides.
(b) The backbone of a DNA strand is built up of deoxyribose
and phosphoric acid groups.
(c) The two DNA chains are identical.
(d) RNA is Fuelgen positive.